Circuit Defender™ 2 Hour Rated

Southwire's Fire Alarm Cables are manufactured in accordance to the most crucial fire saftey codes and regulations, providing solutions for even the most critical of applications.  These cables are superior for fire protective signaling circuits, as well as smoke detectors, voice communications, audio, control, initiating and notification circuits.  

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Circuit Defender™ Cables have been qualified and listed to the demanding requirements of UL 2196 and CAN/ULC-S139 Test for Fire Resistive Cables, and are UL listed Types FPLR/CMR and CSA Certified FAS. Circuit Defender™ Cables meet various industry code requirements (NFPA 70, NFPA 101, NFPA 130, and NFPA 502) for Fire Resistance according to UL 2196 when selected and installed per applicable codes including federal, state, and local and municipal rules, laws and regulations. Please visit the Resources tab for more information.


Select a set of products below for more information:
Conductor Ground Wire
No. of Conductors Size (AWG or kcmil) AWG or kcmil mm2 No. of Strands Insulation Thickness (mils) (mm) Size (AWG) No. of Strands Nom. OD (mils) (mm) Nominal Total Weight (lbs/1000') (kgs/km) Allowable Ampacity
null null null null
null null null null
2 2
14 AWG 14 AWG
1 1
388 9.86
68 101

Standards & References


  • UL Electrical Circuit Integrity System #44 (FHIT/7 44)--- 2 HR RATED
  • UL 1424 Listed FPLR
  • UL 444 Listed CMR
  • CSA C22.2 No.208 FAS
  • UL 2196 and CAN/ULC-S139
  • NFPA 70, NFPA 101, NFPA 130, and NFPA 502
  • UL Listed File #E75610 & #E118871
  • CSA Certified LL90458
  • Directive (EU) 2015/863 – RoHS 3